Graco 256714 Heat Pump User Manual


 
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Parts
Model 224349, Series C
Severe–Duty, Stainless Steel Displacement Pump
Includes items 1–35
Model 256712, Series A
Severe–Duty, Stainless Steel Displacement Pump (1.5 in. Female Inlet)
Includes items 1–16, 22–39
REF PART
NO. NO. DESCRIPTION QTY
1 24C506 ROD, displacement; stainless steel 1
2* 186988 GLAND, throat, female; stainless steel 1
3* 176639 V–PACKING, throat; UHMWPE 2
4* 186987 GLAND, throat, male; stainless steel 1
5 192188 HOUSING, outlet; stainless steel 1
6† 164782 O–RING; PTFE 1
7 166033 NUT, coupling 1
8 206449 ROD, connecting; stainless steel 1
9 166037 NUT, jam; 5/8–11 unc–2b;
stainless steel 1
10 166036 ADAPTER, connecting rod;
stainless steel 1
11* 176637 PIN, ball stop, piston; stainless steel 1
12* 100063 PIN, cotter; 1/16” x 1/2”; stainless steel 2
13 176644 STUD, mounting, piston;
stainless steel 1
14 186995 PACKING NUT/WET–CUP;
stainless steel 1
15 24C504 CYLINDER; stainless steel 1
16* 101917 BALL, piston; stainless steel;
0.875” (22 mm) dia. 1
17* 162947 PIN, ball stop, intake; stainless steel 1
18* 101968 BALL, intake; stainless steel;
1.25” (31 mm) dia. 1
19† 164846 O–RING; PTFE 1
20 164630 RING, locking; stainless steel 1
21 186991 HOUSING, valve, intake;
stainless steel 1
25* 162866 V–PACKING, throat; PTFE 2
26* 176634 WASHER, piston; stainless steel 1
27 186993 STUD, piston; stainless steel 1
28* 186990 GLAND, piston, male; stainless steel 1
29* 176635 V–PACKING, piston; PTFE 2
30* 176638 V–PACKING, piston; UHMWPE 2
31* 186989 GLAND, piston, female; stainless steel 1
32 205573 BUNG ADAPTER
Includes items 33 and 34 1
33 101961 . THUMBSCREW; 1/4–20 unc x
1.5” (3.8 mm) long 1
34 205572 . ADAPTER, bung; stainless steel 1
35 190484 SHIM 3
36 C38225 PACKING, o–ring 1
37 15J577 RETAINER, ball, foot valve 1
38 101178 BALL, metallic 1
39 15J574 HOUSING, valve, intake 1
* The replacements for these parts are available in Standard
Repair Kit 224403 (UHMWPE/PTFE packings). Purchase
the kit separately.
Recommended “tool box” spare parts. Keep on hand to re-
duce downtime.
OPTIONAL PTFE PACKING CONVERSION KIT
224889
Use to convert the pump to all PTFE packings. Kit
must be purchased separately. Includes the following
items:
Part No. Description Qty.
100063 PIN, cotter; 1/16 in. x 1/2 in.;
stainless steel 2
162866 V-PACKING; PTFE 4
162947 PIN, ball stop, intake;
stainless steel 1
186987 GLAND, throat, male; stainless steel 1
186988 GLAND, throat, female; stainless steel 1
176634 WASHER, piston; stainless steel 1
176635 V-PACKING, piston; PTFE 4
176637 PIN, ball stop, piston; stainless steel 1
186989 GLAND, piston, female; stainless steel 1
186990 GLAND, piston, male; stainless steel 1
190484 SHIM (use as required) 3